Shift with confidence and precision using the Shimano RDR7150 Di2 12speed road rear derailleur Its wide 36T compatibility ensures seamless gear changes across a versatile range powered by a highperformance motor for lightningfast response As the central hub of the Di2 system it combines charging LED indicators and adjustment switches into a sleek and compact design The lowprofile construction minimises the risk of damage from impacts keeping your setup durable and reliable Whether tackling steep gradients or speeding along the flat it delivers smooth effortless shifting for every rideFeatures Compact design includes an integrated wireless unit charger switch LED status indicator Wider range capacity Series Shimano 105 Rear speeds 12 Top sprocket Min11T Max11T Low sprocket Max 36T Min 34T

Top sprocketMin11TTop sprocketMax11TTotal capacity 41TMax front difference 16T